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The EF 16–35mm lens is a family of professional wide-angle lenses made by Canon Inc. The original version, the EF 16–35mm 2.8L USM, replaced the EF 17–35mm 2.8L USM lens, which had itself replaced the EF 20–35 2.8L lens. The lens has an EF mount to work with the EOS line of cameras. Other than the front element, it is sealed against dust and water, and features a diaphragm which remains nearly circular from to 5.6.〔http://www.canon.com.hk/en/product/catalog/productItemDetails.do?prrfnbr=100036〕 The EF 16–35mm 2.8L USM was replaced by the EF 16–35mm 2.8L II USM early in 2007. The main change saw the lens adopt a new optical design featuring 16 elements in 12 groups.〔 Other changes include a 35g increase in weight, a larger 82mm filter diameter and a longer length.〔 The new model II lens has garnered favorable to excellent reviews, and has been used in independent feature films like Marianne which was shot using a Canon EOS 7D.〔http://www.the-digital-picture.com/reviews/canon-ef-16-35mm-f-2.8-l-ii-usm-lens-review.aspx〕〔http://photo.net/equipment/canon/16-35〕〔http://www.kenrockwell.com/canon/lenses/16-35mm-ii.htm〕〔http://www.photozone.de/canon_eos_ff/435-canon_1635_28_5d?start=2〕〔http://www.photographyreview.com/mfr/canon/35mm-zoom/PRD_404178_3128crx.aspx〕 The newest member of the family, the EF 16–35mm 4L IS USM, was announced in May 2014. While it is one stop slower than the other 16–35mm versions, it is the first L-series wide-angle zoom to offer image stabilization.〔(【引用サイトリンク】title=Canon EF 16-35mm f/4 L IS USM Lens Review )〕 ==Specifications== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Canon EF 16–35mm lens」の詳細全文を読む スポンサード リンク
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